The correct answer is option 4, Election.

The right to vote is an essential aspect of democratic governance. It allows citizens to participate in the political process and have a say in choosing their representatives. The Constitution of a country typically includes provisions related to elections, which outline the rules and procedures for conducting elections. In the case of India, the right to vote is mentioned in the part of the Constitution that deals with elections. The Constitution of India has dedicated sections (Articles) specifically to elections, such as Article 326 that guarantees the right to vote to every citizen of India. Therefore, option 4, Election, is the correct choice as it specifically refers to the part of the Constitution that relates to the right to vote.